Kaspersky Internet Security kl1.sys buffer overflow

kaspersky-internetsecurity-kl1-bo (42849) The risk level is classified as HighHigh Risk

Description:

Kaspersky Internet Security is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the kl1.sys. A local attacker could exploit this vulnerability using unknown attack vectors to overflow a buffer and execute arbitrary code on the system with kernel level privileges or cause the application to crash.

*CVSS:

Base Score: 6.9
  Access Vector: Local
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 5.1
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Privileges

Remedy:

Refer to Kaspersky Tech News 06.03.2008 for patch, upgrade or suggested workaround information. See References.

References:

  • iDefense Labs PUBLIC ADVISORY: 06.04.08: Kaspersky Internet Security IOCTL Stack Based Buffer Overflow Vulnerability.
  • Kaspersky Tech News 06.03.2008: Low-risk vulnerability in kl1.sys driver is closed.
  • CVE-2008-1518: Stack-based buffer overflow in kl1.sys in Kaspersky Anti-Virus 6.0 and 7.0 and Internet Security 6.0 and 7.0 allows local users to gain privileges via an IOCTL 0x800520e8 call.
  • OSVDB ID: 45958: Kaspersky Multiple Products kl1.sys Driver Local Overflow
  • SA30534: Kaspersky Products kl1.sys Driver Buffer Overflow Vulnerability
  • SECTRACK ID: 1020195: Kaspersky Internet Security IOCTL Stack Overflow Lets Local Users Gain Elevated Privileges
  • SECTRACK ID: 1020196: Kaspersky Anti-Virus IOCTL Stack Overflow Lets Local Users Gain Elevated Privileges
  • VUPEN/ADV-2008-1739: Kaspersky Products kl1.sys Driver Local Privilege Escalation Vulnerability

Platforms Affected:

  • Kaspersky Internet Security Suite 6.0
  • Kaspersky Internet Security Suite 7.0
  • Kaspersky Kaspersky Anti-Virus 6.0
  • Kaspersky Kaspersky Anti-Virus 7.0
  • Kaspersky Kaspersky Anti-Virus for Win WS 6.0

Reported:

Jun 03, 2008

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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